CN102085862A - Hybrid vehicle managing method and hybrid control device - Google Patents

Hybrid vehicle managing method and hybrid control device Download PDF

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Publication number
CN102085862A
CN102085862A CN2010106107983A CN201010610798A CN102085862A CN 102085862 A CN102085862 A CN 102085862A CN 2010106107983 A CN2010106107983 A CN 2010106107983A CN 201010610798 A CN201010610798 A CN 201010610798A CN 102085862 A CN102085862 A CN 102085862A
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China
Prior art keywords
energy
distance
travelling
stored
position data
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W·格龙巴赫
U·格劳
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00Control systems specially adapted for hybrid vehicles
    • B60W20/10Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/12Controlling the power contribution of each of the prime movers to meet required power demand using control strategies taking into account route information
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/24Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
    • B60W10/26Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/0097Predicting future conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0062Adapting control system settings
    • B60W2050/0075Automatic parameter input, automatic initialising or calibrating means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00Input parameters relating to a particular sub-units
    • B60W2510/24Energy storage means
    • B60W2510/242Energy storage means for electrical energy
    • B60W2510/244Charge state
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2552/00Input parameters relating to infrastructure
    • B60W2552/20Road profile, i.e. the change in elevation or curvature of a plurality of continuous road segments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2556/00Input parameters relating to data
    • B60W2556/10Historical data
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2556/00Input parameters relating to data
    • B60W2556/45External transmission of data to or from the vehicle
    • B60W2556/50External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/08Electric propulsion units
    • B60W2710/086Power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/24Energy storage means
    • B60W2710/242Energy storage means for electrical energy
    • B60W2710/248Current for loading or unloading
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Navigation (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

The present invention relates to a hybrid vehicle managing method by means of a hybrid control device utilizing drive of an internal combustion engine and control of an electric motor depending on at least a charging state of an energy storer and position data of the hybrid vehicle. The position data of a traveled path is recorded; a path that is traveled for many times can be obtained by comparing the position data of the recorded paths, or comparing the position data of a recorded path and the position data of a traveled path; information of a flow of energy describing consumption/gain of energy along the path during travel on a route and depending on a position recorded with the position data is captured; the internal combustion engine and the electric motor are utilized to control participation of driving on a recognized path depending on need of energy/energy gain expected along the recognized path using the information. The invention also relates to a corresponding hybrid control device.

Description

The method and the mixed control apparatus of hybrid vehicle operation
Technical field
The present invention relates to a kind of method of hybrid vehicle operation, this hybrid vehicle drives by combustion engine and electrical motor selectively, wherein electrical motor is supplied to electric energy from energy accumulator, under the situation of the hybrid vehicle position data of considering the energy accumulator charge condition at least and finding out, by mixing the control of control control by the driving of combustion engine and the part of the driving by electrical motor, and the kinetic energy of hybrid vehicle is converted into electric energy and is fed in the energy accumulator.
The invention still further relates to a kind of mixed control apparatus of hybrid vehicle, wherein hybrid vehicle has combustion engine, electrical motor and gives the energy accumulator of electrical motor supply of electrical energy, wherein, the unnecessary kinetic energy of hybrid vehicle converts electric energy to by the electrical motor that moves as electrical generator sometimes, and can be fed in the energy accumulator, and under the situation of the position data of considering the energy accumulator charge condition at least and finding out, by mixing the part of controlling by combustion engine driving and that pass through the driving of electrical motor.
Background technology
Document DE19807291A1 discloses the method that hybrid power that a kind of usefulness has electrical motor and combustion engine moves automobile.Stipulate in this case, obtain the instantaneous position of automobile by position transduser, and compare with the data of mileage chart of being stored or map, wherein by confirming that relatively which traffic environment automobile is in, and make the operation scheme of corresponding predetermined hybrid drive be suitable for separately traffic environment.When selecting automobile to drive by electrical motor or combustion engine, the consideration of traffic environment relates in particular to the difference between city traffic, remote traffic and the long-distance traffic.In this case, also to constantly monitor the charge condition of the battery of mixed power plant.
Document EP 1399329B1 discloses a kind of method that triggers hybrid vehicle, in the method, driving realizes by combustion engine and electrical motor by the regulation of control device for running the engine, wherein under the situation of the energy accumulator charge condition of considering electric energy, according to relevant with the distance of travelling and the electric motor driven part of the Data Control notice control device for running the engine; These data comprise the elevation information that is used as the part that the basis drives with the control motor; Wherein, determine the minimum state of charge (ML) of energy accumulator, wherein also guarantee needed vehicle basic function, wherein in control device for running the engine, determine specified minimum state of charge (NML), wherein also guarantee specified operation at control device for running the engine; And the minimum state of charge (ML) of energy accumulator is under specified minimum state of charge (NML).Stipulate in this case, in control device for running the engine, adjust the limit height value, when being lower than this limit height value, determine the part of motor drive accordingly with specified operation, wherein be not lower than the specified minimum state of charge (NML) of energy accumulator, and when surpassing it, determine electric motor driven part accordingly with operation, wherein can be lower than specified minimum state of charge (NML), up to the minimum state of charge (ML) of energy accumulator.This method can realize, when the operation control of hybrid vehicle, considers along the elevation information of predesignating the distance of travelling of travelling distance or inferring out by synchronous navigationsystem.In this case, control device for running the engine is so interrelated with the maximum height of the distance of travelling or the maximum height of distance section, so that when reaching maximum height, can not be lower than the minimum state of charge of energy accumulator.
The shortcoming of this method is, the control of electric motor driven part only relates to along the altitude information of the distance of travelling, with send by navigationsystem the same.May not consider to depend on the actual energy demand of many other conditions or reclaim along the actual energy of the distance of travelling.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of method, this method can accurately be controlled hybrid vehicle according to energy requirement and energy recovery along the distance of travelling.
Another object of the present invention provides a kind of hybrid power control setup that is used for realizing this method accordingly.
The object of the invention relevant with this method realizes by following these, the position data of the distance of travelling that promptly stored row crosses; Compare with the position data of the actual distance of travelling of being travelled by the position data of more stored distance or by the position data that makes the stored distance of travelling, can discern the distance of travelling of repeatedly travelling; In the time of in the distance of travelling when travelling, gather and describe, and this energy stream information relevantly with the place is stored with the position data of being found out along the energy requirement of this distance of travelling and/or the energy stream information of energy recovery; And in identification again when travelling distance, according to by energy stream energy requirement that information reckons with and/or reckoned with follow the energy recovery of sailing distance, realize control by the part of the driving of combustion engine control and pass through the part of the driving of electrical motor.
If know energy recovery and/or energy requirement with the position relevantly along distance, so according to the energy recovery of energy requirement that is reckoned with or expectation, can so control the part of the partial sum of the driving by combustion engine by the driving of electrical motor, so that under the situation of the minimum state of charge that is not no more than energy accumulator, part high as far as possible, that travel the work energy needed provides by electrical motor.In addition, can so be designed by electric motor driven part by the ICE-powered partial sum, so that when the energy recovery of expecting, during the energy recovery for example expected by the energy recovery stage in the upcoming descending distance, so many in advance electric energy is used for electricity and drives, thereby provide enough energy accumulator storage capacity for using, thereby the energy that can accept to expect input.
Here advantageously, draw along the distance of travelling in the operating energy stream information of actual travel.Therefore, surpass single-height information with ascents and descents distance, also can determine sample as them by the position data of hybrid vehicle, along the distance of travelling store the parameter of influential energy requirement and energy recovery, the for example typical moving velocity in the segmentation, the city traffic of energy input energy requirement, highway section or the parameter relevant during with starting with glancing impact with drive manner, and at the drive part of the partial sum of control by the driving of combustion engine by electrical motor.This method can realize, energy requirement and the energy recovery in the distance of travelling that calculate to a nicety very much, and very accurately adjust the part of the partial sum of the driving by combustion engine by the driving of electrical motor.Therefore, can be maximum land productivity with the storage power of the energy accumulator of Vidacare corp, and therefore use the combustion engine of consume fuel minimumly.
By the following position data that can determine hybrid vehicle easily, promptly the position data are collected by navigationsystem.Guidance system has obtained travelling and further promoted today, and accurate position data is provided, and this accurate position data can be used to discern distance.In this case, use the data that were placed in the navigationsystem in the hybrid vehicle originally, perhaps it can provide the navigationsystem as the part of mixed control apparatus.
With the preferred especially corresponding regulation of distortion of implementing of the present invention, gather and store actual needed along the distance of travelling and the energy that obtains with as energy stream information, and in the distance of travelling of identification again, when part by the driving of electrical motor of the partial sum of the driving of control by combustion engine, consider this energy.Actual energy needed can for example learn from consumption of fuel and energy accumulator, perhaps draws to be in the energy that is supplied on the diverse location of the distance of travelling.
Corresponding with alternative embodiment of the present invention, regulation, the flux of gathering and storing from braking procedure and descent run reclaims as energy stream information, and in the distance of travelling of identification again, when part by the driving of electrical motor of the partial sum of the driving of control by combustion engine, consider this energy recovery.If hybrid vehicle sails to flux and returns in the recovery stage in known highway section, improved part so by the driving of electrical motor, perhaps combustion engine all is cut off.Energy below returns during the recovery stage, energy accumulator electric energy, enough, electric power storage ability freely that is used for accepting to be provided is provided now is recharged again.
In this case, stipulate that further stored energy refluxes as energy stream information, this energy refluxes and surpasses default least energy quantity.Therefore, only store the position data of abundant distance portion section, the energy input that these position data green phases should be high produces obviously influence to the charge condition of energy accumulator.This for example is suitable for long descending distance.
Only need very little storage demand by following method, promptly the stored energy recovery stage begins binary signal with end as energy stream information.This binary signal only illustrates, considers the energy input of energy accumulator when, and it surpasses predetermined least energy input.Corresponding with the former energy of cause energy accumulator, mix control and can be used for motorized motions, therefore in the storage capacity of energy accumulator freely that provides enough of beginning in energy recovery stage.
When the driving of control hybrid vehicle by the following description that can use other along the energy requirement of the distance of travelling and the information of energy recovery, promptly with the operation of travelling of combustion engine, consider as following the energy stream information of sailing distance with regard to itself separately, perhaps consider in conjunction with at least two information wherein with the operation of travelling of the travel operation or the feedback of electrical motor.
In order easily, automatically to discern the distance of travelling that repeated rows crosses when the storage requirements of less needs, therefore can stipulate, the distance of travelling energy stream information, that and then travel mutually that has of some is stored in the intermediate storage, and on repeated travel in the distance of relay storage the time, have can energy information this distance of travelling be stored in the second memory.The distance of travelling of no longer travelling in the quantity of predesignating is come out from middle memory device.
Can realize by following along the energy requirement of the distance of travelling and the accurately predicting of energy recovery, promptly when repeated travel is in this travels distance, accurately be expressed as the stored energy stream information of the distance of travelling of storage.If for example travelling first when travelling in the distance, exist and have the unusual traffic conditions of the energy requirement that in the part distance of the distance of travelling, departs from strongly, so when typical traffic conditions early, in the travelling of back, can correct energy stream information collected when travelling first.
Except the distance of travelling of automatically discerning repeated travel, can also stipulate, determine the distance of travelling that is stored by the chaufeur of hybrid vehicle, and/or chaufeur is invoked at travelling in the stored distance of travelling.Therefore, in the time of for example in travelling on the distance of travelling of often travelling first, chaufeur can call the reception of energy stream information, and for example stores with store name.When continuing to travel in this distance, chaufeur can call the energy stream information of attached storage by store name then, and perhaps system automatically discerns this distance of travelling by the position data of hybrid vehicle and stored data are compared.These are possible in addition, and when the target input in the actual position that makes hybrid vehicle and navigation system was compared with the stored distance of travelling, identification was travelled distance and the distance of travelling that is stored as what repeated rows crossed.
Except the operation energy needed of travelling, necessarily must be by energy being provided for other unit of hybrid vehicle from the energy memory device or from combustion engine.Therefore can stipulate, when the cooling circulation of controlling combustion engine, and/or at other consumer of control, especially during air-conditioning, consider to describe the energy requirement of sailing distance and/or the energy stream information of energy recovery of following.
The object of the invention relevant with mixed control apparatus realize by following these, and promptly mixed control apparatus has the position data of the distance of travelling that the stored row of being used for crosses and describes the energy requirement that follows Cheng Lucheng and/or the memory device of the energy stream information of energy recovery; Compare with stored distance by more stored stroke distance and/or by the distance of travelling that makes actual travel, regulation is used for discerning first program (Programmroutine) of the distance of travelling of repeated travel; And under the situation of the stored energy stream information of the distance of travelling that is thought of as and discern, regulation is used for controlling second program of part that partial sum by the driving of combustion engine passes through the driving of motor.
Mixed control apparatus can be discerned the distance of travelling that repeated rows crosses again.By stored energy stream information, know energy requirement and/or energy recovery along this distance of travelling.For mixing control, this can realize, the partial sum that makes the driving by combustion engine so is suitable for energy requirement of being expected or the energy recovery of being expected by the part of the driving of electrical motor, therefore can use the capacity of especially governable electric energy and energy accumulator best.Therefore before the energy recovery stage of being expected, for example before the descending distance, motorized motions can be used the so many energy from energy accumulator, so that the enough storage powers that are used for being received in the electric energy that the descending distance produced are provided.In addition, the part of the partial sum of the driving by combustion engine by the driving of electrical motor be Be Controlled so, so that under the situation of the minimum state of charge that is no more than energy accumulator, high as far as possible, the operation energy needed of travelling part provides by electrical motor.
Identification which distance of travelling of promptly often travelling can realize by the distance of travelling from the storage in the memory device relatively, perhaps realizes by the actual distance of travelling of being travelled is compared with the stored distance of travelling.
The simple position identification that is used for storing and discerns again the hybrid vehicle of insertion process realizes that by following navigationsystem is connected with mixed control apparatus or guidance system is integrated in the mixed control apparatus.
Description of drawings
At length explain the present invention with reference to the embodiment shown in the accompanying drawing below.Wherein:
Fig. 1 has illustrated hybrid vehicle 10 with scheme drawing;
Fig. 2 shows the energy stream of energy accumulator and the time curve of charge condition;
Fig. 3 shows the energy stream and the charge condition of energy accumulator when reaching the energy accumulator charge condition of maximum;
Fig. 4 shows the identification again of the distance of travelling and the storage of energy stream information;
Fig. 5 shows the operation of hybrid vehicle when distance is travelled in identification again.
The specific embodiment
Fig. 1 has illustrated hybrid vehicle 10 with scheme drawing.In this case, shown these parts are confined to these parts very important to view of the present invention.
Hybrid vehicle 10 disposes combustion engine 10, electrical motor 12 and energy accumulator 13.Energy accumulator 13 is connected with electrical motor 12 by inverter 14.Combustion engine 10 and electrical motor 12 are taken turns 16 by at least one of the axle that is not shown specifically and change-speed box 15 and hybrid vehicle 10 and are connected.
Mixed control apparatus 22 is set with control hybrid vehicle 10, this mixed control apparatus 22 is connected with inverter 14.By first signal line 23 velocity information of speed sensor 17 is transported in the mixed control apparatus 22, and charge condition 33 shown in Figure 2, energy accumulator 13 is transported in the mixed control apparatus 22 by secondary signal circuit 24.According to the present invention, mixed control apparatus 22 disposes memory device 21, and this memory device 21 is connected with navigationsystem 20.
Hybrid vehicle 10 can be driven by combustion engine 11 sharp electrical motors 12 selectively by axle and change-speed box 15.In this case, two engine installations 11,12 also can be in the work simultaneously.Electric motor driven part is determined by mixed control apparatus 22, and is adjusted by inverter 12.Energy accumulator 13 provides needed electric energy.In this case, mixed control apparatus 10 is noticed the speed of the charge condition 33 and the hybrid vehicle 10 of energy accumulator 13.
The kinetic energy of hybrid vehicle can be by as electrical generator and by the electrical motor 12 that turned round, for example when braking procedure, perhaps is converted into electric energy when long-time descent run, and is fed in the energy accumulator 13.
In known system, disadvantageously, do not have distance information, and can from upcoming braking procedure and descent run, derive desired energy by means of this distance information.If produced electric energy when energy accumulator 13 is filled fullly unexpectedly, it cannot accept the energy that produces again so, and this energy has lost.In addition, such thing can take place, driving by electrical motor disconnects, although thereby the minimum charge condition that is not less than energy accumulator 13 promptly can give the electrically-charged descending distance of energy accumulator enough near travelling distance again, therefore originally can continue to travel, till the descending distance with motorized motions.
The regulation according to the present invention, by position data that obtain in the navigationsystem 20, hybrid vehicle 10, can discern the distance of travelling of repeated travel, and be stored in the memory device 21 with position data describing the energy Flow information that obtains along the energy requirement and/or the energy of the distance of travelling.Now, mixed control apparatus 22 can be employed this energy Flow information, and the controller of motor driver so designs in total actuating device, so that for example the storage capacity fully freely of energy accumulator 13 existed have the longer descending distance of corresponding energy input bigger, that expected in energy accumulator 13 before.
Fig. 2 has illustrated at the energy stream 32 of the energy accumulator 13 of the hybrid vehicle 10 of prior art and the time curve of charge condition 33 when sailing in the distance of being expert at that travel with scheme drawing.To this, show energy stream 32 and charge condition 33 to Y-axis 31 and time shaft 30.Hybrid vehicle 10 shown in period in move along the distance of travelling, promptly each time point on the time shaft 30 is with corresponding along the position of the distance of travelling.Along time shaft 30, marked each distance section 40,42,42,43,44 of this distance of travelling.First distance section 40 with travel corresponding with the combustion engine level, the second distance section 41 is corresponding with short braking scope, Third Road journey section 42 with travel corresponding with the other level of combustion engine, the 4th distance section 43 is corresponding with the longer descending distance of band brake, and the 5th distance section 44 is corresponding with starting of electrical motor 12.
During the first distance section 40 when driving by combustion engine 11, energy accumulator 13 is supplied with a spot of electric energy continuously.Energy stream 32 correspondingly is positive and the charge condition 33 of energy accumulator 13 raises at leisure.
Electrical motor 12 carries out work as electrical generator, and hybrid vehicle 10 is braked during the second distance section 41 like this.Correspondingly, energy accumulator 13 has been produced short, higher energy stream 32, the charge condition 33 of energy accumulator 13 improves fast.But because braking procedure is shorter, so the input of the energy in the energy accumulator 13 total amount is very little.
During Third Road journey section 42, the same with the first distance section 40, between combustion engine 11 driver stages, energy accumulator 13 has been supplied to a spot of electric energy.
By making electrical motor 12 carry out work as electrical generator, in back to back descending distance, hybrid vehicle 10 is braked again in the 4th distance section 43.According to the length of descending distance, energy accumulator 13 is supplied to a large amount of electric energy, and it is long, higher that this is expressed as energy stream 32, and has correspondingly changed the charge condition 33 of energy accumulator 13.
During the 5th distance section 43 that connects the descending distance, hybrid vehicle 10 starts by electrical motor 12.Energy stream 32 arrives electrical motors 12 and correspondingly bears from energy accumulator 13.The charge condition 33 of energy accumulator 13 reduces.
Figure 3 illustrates for the energy stream 32 and the charge condition 33 of the same distance energy accumulator 13 when the maximum state of charge 34 of energy accumulator 13 that travels shown in Figure 2 in the hybrid vehicle of prior art.Correspondingly, in Fig. 3, used the Reference numeral identical with Fig. 2.
In addition, show energy 35 shown in the shade line, untapped.
Today, employed energy accumulator 13 had maximum charge condition 34, exceeded this maximum state of charge 34, and they can not accept other energy more.
In an embodiment, during travelling on the distance of travelling, always further give energy accumulator 13 chargings, till in distance section 43, obtaining maximum state of charge 34.Can not be again by energy accumulator 13 be received in the descending distance of distance section 43 further that produce, be shown the electric energy of untapped energy 35 with shade line, and this electric energy has lost.
Fig. 4 shows the identification again of the distance of travelling and the storage of energy stream information in embodiments of the present invention.In this case, use the Reference numeral identical with Fig. 2.
In addition, a transformation condition identification distance 50 is shown, and a transformation condition energy refluxes 51.
Travel be expert at sail on the distance during, the position data that is provided by navigationsystem shown in Figure 1 20 is compared with the position data in being stored in memory device 21.For this reason, in memory device 21, store the position data of the last distance of travelling of travelling of predetermined quantity.
During the first distance section 40, system discerns again travels distance and correspondingly the position distance identification 50 of the distance that is used to travel is made as 1.At present, this distance of travelling is marked as the distance that repetition is travelled.
Travel be expert at sail on the distance during, analyze energy stream 32.In three distance sections 40,41,42 at first, energy stream 32 is positive, but very little, therefore can not surpass the minimum energy value that supplies in the energy accumulator 13.But in the descending distance of distance section 43, energy stream 32 and the energy that therefore enters in the energy accumulator are abundant.This distance scope is come mark by the potential energy backflow 41 of establishing the position in the holder 21.
Fig. 5 shows the work of hybrid vehicle 10 in the distance of travelling of identification again.It uses the Reference numeral identical with earlier drawings.In addition, show the transformation condition of an electric driver 52 along time shaft 30.Third Road journey section 42 is divided into the zone of internal combustion engine drive 42.1 and direct motor drive 42.2.
Travel on the first distance section 40 during, this system is by in fact the position data that is provided by navigationsystem 20 is provided compares with the data in being stored in memory device 21 and discerning the distance of travelling, position distance identification 50 is changed to 1.
For the distance of travelling, known by stored bit energy backflow 51, in the scope of the 4th distance section 43, be considered by important energy stream 32 to energy accumulator 13.Correspondingly, during Third Road journey section 42, from converting to by the 42.1 shown drivings of section internal combustion engine drive by the 42.2 shown drivings of section direct motor drive by electrical motor 12 by combustion engine 11.Therefore, for section direct motor drive 42.2, the position electricity drives 52 and is changed to 1.
During section direct motor drive 42.2, be used for the work of electrical motor 12 from the energy of energy accumulator 13.Correspondingly, in this scope, energy stream 32 is negative, and the charge condition 33 of energy accumulator has reduced.Compare with the example that is used to move hybrid vehicle 10 under the situation shown in Figure 3, obtain the stage at the energy of not considering expection, during Third Road journey section 42, charge condition so descends in section direct motor drive 42.2, so that the charging capacity of enough energy accumulators 13 exists when the beginning of the 4th distance section 43, thereby can be received in the electric energy that is produced in the distance section 43 uphill/downhill distances.
Therefore, the distance of travelling by the identification repeated travel, for example discern daily roundtrip of travelling and store and carry out the energy backflow that descending obtained from braking procedure with along the distance of travelling, below these are possible, promptly energy accumulator 13 and foreseeable situation are coordinated, and abundant free storage capacity is provided, thereby can accepts the electric energy that produced.This makes the optimization that can realize the hybrid vehicle operation by as far as possible little energy requirement, especially with the form of the fuel that is used for combustion engine 11 operations.
Except the mark that energy is supplied to the distance section portion section in the energy accumulator 13, also can other be resulting and describe and to be stored along the energy requirement of this distance of travelling and the energy stream information of energy recovery along the distance of travelling according to the position, and the partial sum that drives by combustion engine 11 in control drive by electrical motor 12 part the time be considered.

Claims (13)

  1. One kind the operation hybrid vehicle (10) method, this hybrid vehicle drives by combustion engine (11) and electrical motor (12) selectively, wherein electrical motor (12) is by energy accumulator (13) supply of electrical energy, considering under the situation of energy accumulator (13) charge condition (33) at least and by the hybrid vehicle of finding out (10) position data, the control of the part of the driving part of the driving by combustion engine (11) and by electrical motor (12) realizes by mixed control apparatus (22), and the kinetic energy of hybrid vehicle (10) is converted into electric energy and is fed in the energy accumulator (13), it is characterized in that the position data of the distance of travelling that stored row crosses; Compare the distance of travelling that the identification repeated rows crosses with the position data of the actual distance of travelling of being travelled by the position data of the more stored distance of travelling or by the position data that makes the stored distance of travelling; In the time of in the distance of travelling when travelling, gather and describe, and this energy stream information relevantly with the place is stored with the position data of being found out along the energy requirement of this distance of travelling and/or the energy stream information of energy recovery; And in identification again when travelling distance, according to the energy requirement that is reckoned with by energy stream information and/or follow the energy recovery that is reckoned with of sailing distance, realize the part of the partial sum of control by the driving of combustion engine (11) by the driving of electrical motor (12).
  2. 2. method according to claim 1 is characterized in that, comes the collection position data by navigationsystem (20).
  3. 3. according to claim 1 or 2 described methods, it is characterized in that, gathered and stored as energy stream information along the actual needed and energy that obtained of this distance of travelling, and in the distance of travelling of identification again, when part by the driving of electrical motor (12) of the partial sum of the driving of control by combustion engine (11), be considered.
  4. 4. according to the arbitrary described method of claim 1-3, it is characterized in that, along this distance of travelling, flux backflow from braking procedure and descent run is gathered and is stored as energy stream information, and in the distance of travelling of identification again, when part by the driving of electrical motor (12) of the partial sum of the driving of control by combustion engine (11), be considered.
  5. 5. method according to claim 4 is characterized in that, stored energy refluxes as energy stream information, and it surpasses the least energy quantity of setting.
  6. 6. according to claim 4 or 5 described methods, it is characterized in that the stored energy recovery stage begins binary signal with end as energy stream information.
  7. 7. according to the arbitrary described method of claim 1-6, it is characterized in that, with the operation of travelling of combustion engine (11), with the operation or be considered as energy stream information with regard to itself separately of travelling of electrical motor (12) along the distance of travelling with the operation of travelling of feedback, perhaps combination wherein at least two information be considered.
  8. 8. according to the arbitrary described method of claim 1-7, it is characterized in that, having the distance of travelling of and then travelling mutually energy stream information, specified quantity is stored in the intermediate storage, and on repeated travel in the distance of relay storage the time, this distance of travelling with energy stream information is stored in the second memory.
  9. 9. according to the arbitrary described method of claim 1-8, it is characterized in that, when repeated travel is in this travels distance, accurately be expressed as the energy stream information that the distance of travelling of storage is deposited.
  10. 10. according to the arbitrary described method of claim 1-9, it is characterized in that, determine the distance of travelling that is stored by the chaufeur of hybrid vehicle (10), and/or chaufeur is invoked at the travel situations on the stored distance of travelling.
  11. 11. according to the arbitrary described method of claim 1-10, it is characterized in that, when the cooling circulation of controlling combustion engine (11) and/or at other consumer of control, especially during air-conditioning, consider to be described in the energy requirement of the distance of travelling and/or the energy stream information of energy recovery.
  12. 12. the mixed control apparatus (22) of a hybrid vehicle (10), wherein hybrid vehicle (10) has combustion engine (11), electrical motor (12) and give the energy accumulator (13) of electrical motor (12) supply of electrical energy, wherein, the kinetic energy of hybrid vehicle (10) is convertible into electric energy by the electrical motor (12) as generator operation sometimes, and can be fed in the energy accumulator (13), and under the situation of the position data of the hybrid vehicle (10) of considering energy accumulator (13) charge condition (33) at least and finding out, by mixed control apparatus (22) partial sum of the driving by combustion engine (11) is controlled by the part of the driving of electrical motor (12), it is characterized in that mixed control apparatus (22) has the position data of the distance of travelling that the stored row of being used for crosses and describes the memory device of the energy stream information that follows the energy requirement of sailing distance and/or energy recovery; By the more stored distance and/or compare with the stored distance of travelling by the distance of travelling that makes actual travel of travelling, regulation is used for discerning first program of the distance of travelling of repeated travel; And under the situation of the stored energy stream information of the distance that is thought of as and discerns, regulation is used for controlling second program of the partial sum of the driving of passing through combustion engine (11) by the part of the driving of motor (12).
  13. 13. mixed control apparatus according to claim 12 is characterized in that, navigationsystem (20) is connected with mixed control apparatus (22) or navigationsystem (20) is integrated in the mixed control apparatus (22).
CN2010106107983A 2009-08-27 2010-08-26 Hybrid vehicle managing method and hybrid control device Pending CN102085862A (en)

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